Inventor · disambiguated record
Wei Jin Chao
Also filed as: CHAO WEI JIN
6 granted patents·1 pending application·9 citations·filing 2013–2024
75Inventor score
Files withCMECH (GUANGZHOU) LTD7
Top patents by PatentIndex Score
7 records- 0176US2024337143A1Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2024·Application pending·0 cites
- 0272US9009917B2Bracket door closerCMECH GUANGZHOU LTD·Filed 2013·Granted Apr 21, 2015·6 cites·27 claims
- 0368US9151100B2Bracket door closerCMECH GUANGZHOU LTD·Filed 2015·Granted Oct 6, 2015·3 cites·16 claims
- 0466US12071805B2Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2021·Granted Aug 27, 2024·0 cites·14 claims
- 0550US11091948B2Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2019·Granted Aug 17, 2021·0 cites·18 claims
- 0649US11091947B2Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2019·Granted Aug 17, 2021·0 cites·7 claims
- 0744US10633902B2Hydraulic door closer capable of reducing oil-pressure therein in high temperatureCMECH GUANGZHOU LTD·Filed 2016·Granted Apr 28, 2020·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →